The Multicollinearity Problem

They say sociology is harder than physics because atoms don't ascribe purpose and meaning to what they do. Turns out this may also be a problem for epidemology (click to enlarge):


P.S.: Link to comic's homepage

P.P.S.: Some spell "colinearity", some spell "collinearity". Google indicates both are about equally common.

P.P.P.S.: The multicollinearity problem at Wikipedia